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Diet Mistakes: 6 Reasons You're Not Losing Weight

These common dieting pitfalls can sabotage weight loss.

Diet Mistake No. 3: Too Many Liquid Calories

Liquid calories from alcohol, smoothies, coffee with cream and sugar, sweetened juices, teas, and sodas can really contribute to weight gain. One recent study found that Americans get approximately 21% of their calories from beverages.

"When you drink beverages, you don’t tend to compensate by eating less because most beverages satisfy thirst and don’t impact hunger," says Gidus.

Switch from calorie-laden beverages to water, club soda, skim milk, vegetable juices, and small portions of 100% fruit juice. If you drink alcohol, do so in moderation, and choose lighter drink options.

Here are some calorie counts for common beverages:

  • 12-ounce light beer: 110 calories
  • 12-ounce regular beer: 160 calories
  • 8-ounce coffee with cream and sugar: 30 calories
  • 5 ounces of wine: 120-130 calories
  • 6-ounce wine spritzer: 80 calories
  • 16-ounce sweetened tea: 160 calories
  • 12-ounce diet soda: 0 calories
  • 12-ounce soda: 150 calories
  • 20-ounce smoothie: 410 calories

Diet Mistake No. 4: Oversized Portions

"We have gotten used to huge portions at restaurants so when we are at home, we serve up the same size and think it is normal," says Lichten.

Experts suggest a few tricks to help you trim your portions:

  • Leave a few bites on your plate.
  • Use smaller plates and bowls.
  • Periodically check your portions with measuring cups.

Diet Mistake No. 5: Choosing Unhealthy Add-Ons

Not only have portions crept up in size, we also have a tendency to top off our "diet" salads and other favorite foods with high-fat toppings, like bacon, cheese, croutons, and creamy dressings.

And, at fast-food restaurants, "grilled chicken and salads are not always better than a burger," notes Lichten. "It all depends on the size and the toppings."

For example, the Burger King Tendergrill sandwich with honey mustard dressing has 470 calories while their Whopper Jr., with mustard instead of mayo, has only 290 calories. At McDonald’s, the Caesar salad with crispy chicken and creamy dressing totals 520 calories, while a Quarter Pounder weighs in at 410 calories.

Diet Mistake No. 6: Mindless Eating

"Eating amnesia" is the act of unknowingly putting hand to mouth, usually from a bag or box in front of the television, while reading a book. It can also happen at happy hour, or when you finish the last few bites on your child's plate.

"Resist the temptation to clean yours or anyone else’s plate," says Gidus. "Think about your waistline instead of the food waste."

Consider the calories in small portions of some of our favorite snacks, and see how quickly they can add up when portions are multiplied:

  • 1 Twinkie: 150 calories
  • 12 peanut M&Ms: 125 calories
  • 1 ounce of French fries: 88 calories
  • 1.5 donut holes: 100 calories
  • 3 Hershey kisses: 75 calories
  • 3 Oreo cookies:160 calories
  • 15 tortilla chips: 142 calories
  • 20 potato chips: 162 calories

And how can you kick the mindless eating habit?

"First, try to get out of the habit of always eating something while you are sitting and relaxing," says Gidus. "Try a cup of tea, glass of water, or chew a piece of sugarless gum. If you want a snack, portion it out of the bag or container." 

 

Reviewed July 12, 2007.

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